Google street view image for 355 Harbor Ln, Key Biscayne, FL 33149

Off market

$3,058,669

•

2 ba

•

1,918

sq ft

355 Harbor Ln, Key Biscayne, FL 33149

About this home

355 Harbor Ln is a 1,918 square foot house on a 7,500 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Key Biscayne data, we estimate the home's value is $3,058,669.

Single-familyProperty Type

1952Year Built

7,500 sq ftLot Size

$1,595Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,058,669

$130K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.9% higher than the average sale price ($2.86M) of 6 comparable homes.

SOLD AUG 24, 2026
$3,100,000
A
4 beds3 baths2,068 sq ft
301 Hampton Ln, Key Biscayne, FL 33149
SOLD JUL 15, 2026
$3,010,000
B
3 beds2 baths2,113 sq ft
204 Westwood Dr, Key Biscayne, FL 33149
SOLD SEP 28, 2026
$2,800,000
C
3 beds2 baths1,312 sq ft
738 Fernwood Rd, Key Biscayne, FL 33149
SOLD JUN 30, 2026
$2,800,000
D
3 beds2 baths1,403 sq ft
355 Redwood Ln, Key Biscayne, FL 33149
SOLD APR 13, 2026
$2,850,000
E
3 beds2 baths2,388 sq ft
760 Allendale Rd, Key Biscayne, FL 33149
SOLD JUN 29, 2026
$2,600,000
F
3 beds2 baths1,333 sq ft
301 Redwood Ln, Key Biscayne, FL 33149

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Earn from this home

Sell

$2,881,017

Est. take-home

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Rent

$7,395/mo

Redfin rental estimate

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Market trends in 33149, FL

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

94.7%

0.4% MoM

Median sale price

$1.6M

$51K MoM

Avg. days on market

103d

10 days MoM

Recently sold homes

19 MoM

New listings for sale

NEW 13 HRS AGO
$10,700,000
7 beds5.5 baths4,997 sq ft
103 Reef Ln, Key Biscayne, FL 33149
(305) 365-2811
NEW 13 HRS AGO
$5,550,000
5 beds6.5 baths3,676 sq ft
170 Buttonwood Dr, Key Biscayne, FL 33149
(305) 365-2811
NEW 13 HRS AGO
$6,890,000
6 beds6.5 baths4,345 sq ft
295 Glenridge Rd, Key Biscayne, FL 33149
(305) 361-5600
NEW 18 HRS AGO
$2,500,000
2 beds2 baths1,875 sq ft
881 Ocean Dr Unit 17B, Key Biscayne, FL 33149
(305) 992-4626
VIDEO TOUR
$7,500,000
4 beds5.5 baths3,581 sq ft
791 Crandon Blvd #507, Key Biscayne, FL 33149
(305) 421-6374
3D & VIDEO TOUR
$735,000
2 beds2 baths1,123 sq ft
77 Crandon Blvd Unit 8E, Key Biscayne, FL 33149
(305) 856-2600
$2,200,000
1 bed1 bath849 sq ft
455 Grand Bay Dr #323, Key Biscayne, FL 33149
(305) 361-1550
$1,495,000
2 beds2 baths1,532 sq ft
251 Crandon Blvd #525, Key Biscayne, FL 33149
(305) 365-2811
$1,695,000
2 beds2 baths1,532 sq ft
251 Crandon Blvd #304, Key Biscayne, FL 33149
(305) 598-5488
$19,750,000
6 beds6.5 baths6,468 sq ft
1080 Mariner Dr, Key Biscayne, FL 33149
(305) 666-0562
See all

Provided by Redfin

Sale history for 355 Harbor Ln

As the MLS and public records start to fill up, we'll list the details here.

Tax history for 355 Harbor Ln

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

Village Residential District

These districts are designed to protect the character of Single Family and Two-Family homes and to regulate Development within the district as relates to neighboring properties and adjacent streets.

Permitted uses

Include but are not limited to:

Housing-Single unit

Aug 14, 2020 • Final

Master building

Reroof a residential building using concrete tile roofing material. The tiles will be adhesive set.

Roofing

Aug 14, 2020 • Final

Sub-permit plumbing

Remove and replace a water heater.

Plumbing

Water heater

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Exterior

Exterior Information
Construction Type: Concrete Block
Exterior Wall: Cbs/Holw Tile/Fr/Stud/Sheat/Sd
Roof Covering Type: Bahama/Ceramic Tile/Blt-Up Tg
Roof Shape Type: Bahama/Ceramic Tile/Blt-Up Tar and Gravel

Property Information
Subdivision Name: BISCAYNE KEY ESTATES
Living Sq. Ft: 1,918
Adjusted Gross Sq. Ft: 1,816
Building Sq. Ft: 2,104
# of Units: 1
# of Stories: 1
Legal Description: BISCAYNE KEY ESTS PB 50-61 LOT 27 BLK 9 LOT SIZE 75.000 X 100

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Legal Lot Number: 27
Legal Block Number: 9
Municipality Name: KEY BISCAYNE
Acres: 0.1722
Depth Footage: 100
Front Footage: 75
Zoning Code: 0100
County Use Description: RES - SINGLE FAMILY : 1 UNIT
State Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,918
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1982
County: Miami-Dade County
APN: 2452050011370

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

K - 12
Preschool & daycare

Key Biscayne K-8 Center

Public PreK-8 • Assigned • 0.3mi

8/10

Coral Gables Senior High School

Public PreK-12 • Assigned • 6.4mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

9/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

Heat Factor

We're working on getting current and accurate heat risk information for this home.

10/10 Wind Factor

99% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Key Biscayne, FL • 33149

Average low and high temperatures (°F)

73°

63°

75°

66°

77°

70°

79°

74°

84°

79°

86°

80°

88°

82°

88°

81°

86°

78°

83°

78°

80°

73°

77°

69°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.91M – $3.52M

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Nearby similar homes

$1,399,000

2 beds2 baths1,111 sq ft

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NEW CONSTRUCTION

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7 beds5.5 baths5,074 sq ft

110 Reef Ln #10, Key Biscayne, FL 33149

Oceanfront residence • Direct beach access • Curated spa

(305) 851-2820

$9,950,000

6 beds5.5 baths4,341 sq ft

360 Harbor Ln, Key Biscayne, FL 33149

Wrap-around porch • Chef's kitchen • Fluted marble island

(305) 667-4815

VIDEO TOUR

$5,995,000

4 beds4.5 baths4,480 sq ft

1803 S Bayshore Ln, Miami, FL 33133

Gated residence • Private elevator • Custom mudroom

(305) 851-2820

$4,250,000

5 beds5.5 baths4,322 sq ft

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Gated residence • Open floor plan • Gourmet kitchen

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New listings for sale in 33149

NEW 13 HRS AGO

$10,700,000

7 beds5.5 baths4,997 sq ft

103 Reef Ln, Key Biscayne, FL 33149

Private pool • Dedicated bbq area • Direct beach access

(305) 365-2811

NEW 13 HRS AGO

$5,550,000

5 beds6.5 baths3,676 sq ft

170 Buttonwood Dr, Key Biscayne, FL 33149

Cooks kitchen • Grand staircase • Large master suite

(305) 365-2811

NEW 13 HRS AGO

$6,890,000

6 beds6.5 baths4,345 sq ft

295 Glenridge Rd, Key Biscayne, FL 33149

Oversized lot • Open floor plan • Heated swimming pool

(305) 361-5600

NEW 18 HRS AGO

$2,500,000

2 beds2 baths1,875 sq ft

881 Ocean Dr Unit 17B, Key Biscayne, FL 33149

Ocean views • Bay views • Sunset views

(305) 992-4626

VIDEO TOUR

$7,500,000

4 beds5.5 baths3,581 sq ft

791 Crandon Blvd #507, Key Biscayne, FL 33149

Redesigned unit • Open concept kitchen • Marble floors

(305) 421-6374

3D & VIDEO TOUR

$735,000

2 beds2 baths1,123 sq ft

77 Crandon Blvd Unit 8E, Key Biscayne, FL 33149

Wood flooring • Crown molding • $1,543 HOA

(305) 856-2600

$2,200,000

1 bed1 bath849 sq ft

455 Grand Bay Dr #323, Key Biscayne, FL 33149

Private balcony • Luxury spa • Fitness center

(305) 361-1550

$1,495,000

2 beds2 baths1,532 sq ft

251 Crandon Blvd #525, Key Biscayne, FL 33149

Den • Marble floors • Italian kitchen

(305) 365-2811

$1,695,000

2 beds2 baths1,532 sq ft

251 Crandon Blvd #304, Key Biscayne, FL 33149

Beachfront condo • Enclosed den • Renovated kitchen

(305) 598-5488

Home values near 355 Harbor Ln

Data from public records.

Address	Redfin Estimate
675 Harbor Drive, Key Biscayne, FL 4 Beds \| 4 Baths \| 3188 Sq. Ft.	$5,517,452
655 Harbor Drive, Key Biscayne, FL 4 Beds \| 3 Baths \| 2673 Sq. Ft.	$3,996,211
685 Harbor Lane, Key Biscayne, FL 5 Beds \| 5.5 Baths \| 5421 Sq. Ft.	$6,480,999
685 Harbor Drive, Key Biscayne, FL 5 Beds \| 6 Baths \| 4487 Sq. Ft.	$6,124,025
350 Harbor Lane, Key Biscayne, FL 5 Beds \| 6 Baths \| 3400 Sq. Ft.	$5,318,185
680 Harbor Lane, Key Biscayne, FL 4 Beds \| 2 Baths \| 1503 Sq. Ft.	$3,136,977
630 Curtiswood Drive, Key Biscayne, FL 3 Beds \| 2 Baths \| 1953 Sq. Ft.	$3,030,209

Address	Redfin Estimate
695 Harbor Drive, Key Biscayne, FL 6 Beds \| 6.5 Baths \| 5299 Sq. Ft.	$8,584,576
335 Harbor Lane, Key Biscayne, FL 4 Beds \| 3 Baths \| 3580 Sq. Ft.	$5,481,320
681 Harbor Lane, Key Biscayne, FL 3 Beds \| 2 Baths \| 1351 Sq. Ft.	$2,932,579
686 Harbor Lane, Key Biscayne, FL 4 Beds \| 2 Baths \| 1739 Sq. Ft.	$3,184,273
690 Harbor Lane, Key Biscayne, FL 6 Beds \| 5 Baths \| 4186 Sq. Ft.	$5,166,777
375 Harbor Lane, Key Biscayne, FL 5 Beds \| 4.5 Baths \| 4444 Sq. Ft.	$5,699,196
642 Curtiswood Drive, Key Biscayne, FL 4 Beds \| 2 Baths \| 1802 Sq. Ft.	$3,773,088

Address	Redfin Estimate
365 Harbor Lane, Key Biscayne, FL 3 Beds \| 2 Baths \| 2169 Sq. Ft.	$3,350,335
345 Harbor Lane, Key Biscayne, FL 4 Beds \| 3 Baths \| 3004 Sq. Ft.	$5,790,463
360 Harbor Lane, Key Biscayne, FL 6 Beds \| 5.5 Baths \| 4341 Sq. Ft.	—
635 Harbor Drive, Key Biscayne, FL 6 Beds \| 6.5 Baths \| 4718 Sq. Ft.	$6,524,926
370 Harbor Lane, Key Biscayne, FL 5 Beds \| 3 Baths \| 3339 Sq. Ft.	$3,699,365
625 Curtiswood Drive, Key Biscayne, FL 5 Beds \| 5.5 Baths \| 4416 Sq. Ft.	$7,335,822
641 Curtiswood Drive, Key Biscayne, FL 4 Beds \| 2 Baths \| 1827 Sq. Ft.	$3,023,007

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About this home

Redfin Estimate

Earn from this home

Market trends in 33149, FL

Sale history for 355 Harbor Ln

Tax history for 355 Harbor Ln

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 33149

Home values near 355 Harbor Ln

More real estate resources